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13456225 = 52538249
BaseRepresentation
bin110011010101…
…001101100001
3221022122110201
4303111031201
511421044400
61200225201
7222242656
oct63251541
927278421
1013456225
117660952
12460b201
132a31a83
141b03c2d
1512ac06a
hexcd5361

13456225 has 6 divisors (see below), whose sum is σ = 16685750. Its totient is φ = 10764960.

The previous prime is 13456211. The next prime is 13456249. The reversal of 13456225 is 52265431.

13456225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 31329 + 13424896 = 177^2 + 3664^2 .

It is not a de Polignac number, because 13456225 - 25 = 13456193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13456193 and 13456202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269100 + ... + 269149.

Almost surely, 213456225 is an apocalyptic number.

It is an amenable number.

13456225 is a deficient number, since it is larger than the sum of its proper divisors (3229525).

13456225 is an equidigital number, since it uses as much as digits as its factorization.

13456225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538259 (or 538254 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 13456225 is about 3668.2727543082. The cubic root of 13456225 is about 237.8525143721.

It can be divided in two parts, 13456 and 225, that multiplied together give a square (3027600 = 17402).

The spelling of 13456225 in words is "thirteen million, four hundred fifty-six thousand, two hundred twenty-five".

Divisors: 1 5 25 538249 2691245 13456225